diff --git a/include/the_Foundation/math_sse.h b/include/the_Foundation/math_sse.h

index 8980aff..84427fa 100644

--- a/include/the_Foundation/math_sse.h

+++ b/include/the_Foundation/math_sse.h

@@ -266,6 +266,11 @@ iLocalDef iFloatVec3 values_F3(const iFloat3 d) {



#define iFloat3Shuffle3(d, X, Y, Z) (iFloat3){ _mm_shuffle_ps((d).m, (d).m, _MM_SHUFFLE(Z, Y, X, 0)) }



+iLocalDef iFloat3 xy_F3(const iFloat3 d) {

+ __m128 t = _mm_move_ss(d.m, _mm_set_ss(0));

+ return (iFloat3){ _mm_shuffle_ps(t, t, _MM_SHUFFLE(0, 2, 1, 0)) };

+}

+

iLocalDef iFloat3 yzx_F3(const iFloat3 d) {

 return iFloat3Shuffle3(d, 2, 3, 1);

}

diff --git a/tests/t_math.c b/tests/t_math.c

index fd44355..ad001bf 100644

--- a/tests/t_math.c

+++ b/tests/t_math.c

@@ -125,7 +125,7 @@ int main(int argc, char **argv) {

             iMaxf(3.f, 5.f),

             iClampf(1, 3, 5), iClampf(7, 3, 5), iClampf(4, 3, 5));

 }

- /* Basic vectoring. */ {

+ /* Basic vectors. */ {

     print_("zero", zero_F4());

     print_("init4", init_F4(1, 2, 3, 4)); {

         float f[4];

@@ -147,7 +147,8 @@ int main(int argc, char **argv) {

            length_F3(init_F3(0, -2, 0)),

            length_F3(init_F3(0, 0, -2)));

     printf("Sum: F3: %f F4: %f\n", sum_F3(init_F3(1, 2, 3)), sum_F4(init_F4(1, 2, 3, 4)));

- print_("init3", init_F3(2, 3, 4)); {

+ print_("init3", init_F3(2, 3, 4));

+ print_("xy_F3", xy_F3(init_F3(2, 3, 4))); {

         iFloat3 v3 = init_F3(1, 1, 1);

         setX_F3(&v3, 2);

         print_("set x", v3);